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Employee Benefit Plans (Estimated Future Benefit Payments For U.S. And Non U.S. Plans) (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2012
Employee Benefit Plans [Abstract]  
2013 $ 19,516
2014 22,667
2015 20,875
2016 21,399
2017 28,955
2018-2022 $ 142,611